「深度学习福利」大神带你进阶工程师，立即查看>>> <script> require("babel-core/register"); require("babel-polyfill"); import Web3 from 'web3' export default { name: "testWeb3", data() { return { web3: {}, host: "http://127.0.0.1:7545", address: '0x50b04982c7a08De4Fe3e9F34dcEC1b06b835aE13', nonce: '', balanceWei:null }; }, methods: { createWeb3 () { let web3 = new Web3() let provider = new Web3.providers.HttpProvider(this.host) web3.setProvider(provider) return web3 } }, created() { this.web3 = this.createWeb3(); // if (!this.web3.currentProvider.connected) { // throw new Error('请检查区块链的host或者interenet!') // } this.web3.eth.net.isListening((err, res) => { console.log(res) }); //测试 this.web3.eth.net.isListening().then((data) =>{ if(data){ console.log('isconnected:',data) } }).catch( (err) => { throw new Error('请检查区块链的host或者interenet!') }); //获取当前 network ID this.web3.eth.net.getId((err, res) => { console.log(res) //5777 }); // 查看账号列表 this.web3.eth.getAccounts( (err,res) => { console.log("查看账号列表:",res) }) //查询矿工账号 this.web3.eth.getCoinbase( function(error, result){ if (error) { console.error(error); } else { console.log("查询矿工账号:",result); } }) // 获得余额 方法一 this.web3.eth.getBalance(this.coinbase ,(err, res) => { if(!err) { let balance = this.web3.utils.fromWei(res, 'ether'); console.log("this coinbase1: ",this.coinbase ) console.log("getBalance1：",balance) //100 this.balanceWei = balance }else{ console.log(err); } }); // 获得余额 方法二 let _self = this; async function getBalance (coinbase){ try{ let rs = await _self.web3.eth.getBalance(coinbase); return rs; } catch(err){ console.error("error:",err); } } getBalance(this.coinbase).then(res => console.log('this.coinbase的余额：',res))； //100000000000000000000； //新建账户 let newAccount = this.web3.eth.accounts.create(); console.log("新建账户:",newAccount) let info = this.web3.eth.accounts.encrypt(newAccount.privateKey, '12345678'); console.log("新建账户的encrypt 信息:",info)； //新建账户 personal.newAccount this.web3.eth.personal.newAccount('!@superpassword', (err, res) => { let newAddress = res; console.log('personal创建的新账户：',newAddress) //账户解锁 this.web3.eth.personal.unlockAccount(newAddress, "!@superpassword",(err, res) => { console.log(newAddress+"解锁成功否：",res) //true }); })； // 查看账号列表 this.web3.eth.getAccounts( (err,res) => { console.log("查看账号列表:",res) }); } }; </script>